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Cheap flights from Houston to New York from $81

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Houston to New York departing on 3/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Houston to New York

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
8:24 pm - 9:08 am
IAH
-
ISP
11h 44m
1 stop
Frontier Logo
10:03 am - 7:19 pm
ISP
-
IAH
10h 16m
1 stop
$210Frontier
Sat, May 30 - Wed, Jun 3
Frontier Logo
8:24 pm - 9:08 am
IAH
-
ISP
11h 44m
1 stop
Frontier Logo
10:03 am - 7:19 pm
ISP
-
IAH
10h 16m
1 stop
$211Frontier
Thu, Jun 4 - Tue, Jun 9
Frontier Logo
8:24 pm - 9:08 am
IAH
-
ISP
11h 44m
1 stop
Frontier Logo
10:03 am - 7:19 pm
ISP
-
IAH
10h 16m
1 stop
$281Frontier
Thu, May 28 - Tue, Jun 2
Multiple Airlines Logo
8:00 am - 7:59 pm
IAH
-
ISP
10h 59m
1 stop
Multiple Airlines Logo
8:36 pm - 2:24 pm
ISP
-
IAH
18h 48m
1 stop
$433Multiple Airlines
Wed, Apr 1 - Thu, Apr 2
Southwest Logo
5:50 am - 11:40 am
HOU
-
ISP
4h 50m
1 stop
Southwest Logo
4:40 pm - 10:25 pm
ISP
-
HOU
6h 45m
1 stop
$455Southwest
Sat, Mar 21 - Wed, Mar 25
Frontier Logo
8:24 pm - 9:08 am
IAH
-
ISP
11h 44m
1 stop
Frontier Logo
7:30 am - 2:12 pm
ISP
-
IAH
7h 42m
1 stop
$455Frontier
Fri, May 22 - Mon, May 25
Southwest Logo
7:20 am - 4:30 pm
HOU
-
ISP
8h 10m
1 stop
Southwest Logo
12:20 pm - 9:45 pm
ISP
-
HOU
10h 25m
1 stop
$459Southwest
Thu, Apr 2 - Sun, Apr 5
Southwest Logo
5:00 am - 1:45 pm
HOU
-
ISP
7h 45m
1 stop
Southwest Logo
5:45 am - 1:50 pm
ISP
-
HOU
9h 05m
2 stops
$460Southwest
Sat, Mar 21 - Wed, Mar 25
Multiple Airlines Logo
5:53 pm - 3:10 pm
IAH
-
ISP
20h 17m
2 stops
Multiple Airlines Logo
8:36 pm - 7:02 am
ISP
-
IAH
11h 26m
1 stop
$462Multiple Airlines
Wed, Apr 1 - Thu, Apr 2
Southwest Logo
2:55 pm - 11:35 pm
HOU
-
ISP
7h 40m
2 stops
Southwest Logo
5:45 am - 1:50 pm
ISP
-
HOU
9h 05m
2 stops
$465Southwest
Sat, Mar 21 - Wed, Mar 25

Frontier flights from Houston to Islip, New York

Our best Frontier deals on Houston to Islip, New York flight tickets
Frontier
May 30
IAH8:24 pmHouston George Bush Intcntl
11h 44m
1 stop
ISP9:08 amIslip Long Island
Jun 3
ISP10:03 amIslip Long Island
10h 16m
1 stop
IAH7:19 pmHouston George Bush Intcntl
$210
Frontier
Jun 4
IAH8:24 pmHouston George Bush Intcntl
11h 44m
1 stop
ISP9:08 amIslip Long Island
Jun 9
ISP10:03 amIslip Long Island
10h 16m
1 stop
IAH7:19 pmHouston George Bush Intcntl
$211
Frontier
May 28
IAH8:24 pmHouston George Bush Intcntl
11h 44m
1 stop
ISP9:08 amIslip Long Island
Jun 2
ISP10:03 amIslip Long Island
10h 16m
1 stop
IAH7:19 pmHouston George Bush Intcntl
$281

Southwest flights from Houston to Islip, New York

Our best Southwest deals on Houston to Islip, New York flight tickets
Southwest
Mar 21
HOU5:50 amHouston Hobby
4h 50m
1 stop
ISP11:40 amIslip Long Island
Mar 25
ISP4:40 pmIslip Long Island
6h 45m
1 stop
HOU10:25 pmHouston Hobby
$455
Southwest
Apr 2
HOU7:20 amHouston Hobby
8h 10m
1 stop
ISP4:30 pmIslip Long Island
Apr 5
ISP12:20 pmIslip Long Island
10h 25m
1 stop
HOU9:45 pmHouston Hobby
$459
Southwest
Mar 21
HOU5:00 amHouston Hobby
7h 45m
1 stop
ISP1:45 pmIslip Long Island
Mar 25
ISP5:45 amIslip Long Island
9h 05m
2 stops
HOU1:50 pmHouston Hobby
$460

momondo Fare Finder

 
Customize your flight search to find flights from Houston to Islip, New York that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated March 10, 2026.
Use the filters below to find and compare flights from Houston to Islip, New York that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Sat 5/30

8:24 pm-9:08 am

1 stop11h 44m

Islip Long Island

Wed 6/3

10:03 am-7:19 pm

1 stop10h 16m

$210

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Thu 6/4

8:24 pm-9:08 am

1 stop11h 44m

Islip Long Island

Tue 6/9

10:03 am-7:19 pm

1 stop10h 16m

$211

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Thu 5/28

8:24 pm-9:08 am

1 stop11h 44m

Islip Long Island

Tue 6/2

10:03 am-7:19 pm

1 stop10h 16m

$281

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Wed 4/1

8:00 am-7:59 pm

1 stop10h 59m

Islip Long Island

Thu 4/2

8:36 pm-2:24 pm

1 stop18h 48m

$433
Quickest round-trip

HoustonIslip

HOU - ISP

HOUISP

Houston Hobby

Sat 3/21

5:50 am-11:40 am

1 stop4h 50m

Islip Long Island

Wed 3/25

4:40 pm-10:25 pm

1 stop6h 45m

$455

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Fri 5/22

8:24 pm-9:08 am

1 stop11h 44m

Islip Long Island

Mon 5/25

7:30 am-2:12 pm

1 stop7h 42m

$455

HoustonIslip

HOU - ISP

HOUISP

Houston Hobby

Thu 4/2

7:20 am-4:30 pm

1 stop8h 10m

Islip Long Island

Sun 4/5

12:20 pm-9:45 pm

1 stop10h 25m

$459

HoustonIslip

HOU - ISP

HOUISP

Houston Hobby

Sat 3/21

5:00 am-1:45 pm

1 stop7h 45m

Islip Long Island

Wed 3/25

5:45 am-1:50 pm

2 stops9h 05m

$460

HoustonIslip

IAH - ISP

IAHISP

Houston George Bush Intcntl

Wed 4/1

5:53 pm-3:10 pm

2 stops20h 17m

Islip Long Island

Thu 4/2

8:36 pm-7:02 am

1 stop11h 26m

$462

HoustonIslip

HOU - ISP

HOUISP

Houston Hobby

Sat 3/21

2:55 pm-11:35 pm

2 stops7h 40m

Islip Long Island

Wed 3/25

5:45 am-1:50 pm

2 stops9h 05m

$465

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to New York from

How to get the cheapest flight ticket from Houston to Islip, New York

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Houston to Islip Long Island?

Frontier and Southwest are the most popular carriers operating from Houston to Islip Long Island

What airlines fly to Islip, New York?

Spirit Airlines, United Airlines and Delta are the top three most popular airlines that fly to Islip, New York from Houston according to our data. Spirit Airlines is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Islip, New York. Keep in mind that there are 7 different airlines that fly to Islip, New York on a routine basis, so you have a few additional options to choose from.

Cheap Houston to Islip, New York flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Houston to Islip, New York

Fastest flight time

4h 50m

Direct flights

None
The fastest flight from Houston to Islip, New York takes 4h 50m
There are no direct flights from Houston to Islip, New York. There are no popular flight routes from Houston to Islip, New York.
Search flight deals

  • How far is Houston to Islip Long Island by plane?

    Islip Long Island is 1454.8 mi away from Houston. In terms of flight time, this usually takes a little over 4h 50m.

  • When did momondo last update prices for flights from Houston to Islip Long Island Airport?

    Prices for flights from Houston to Islip Long Island Airport refresh daily.

  • How many operators does momondo search for flights from Houston to Islip Long Island Airport?

  • How old do you have to be to fly from Houston to Islip Long Island Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Houston to Islip Long Island Airport.

  • What documentation or ID do you need to fly to Islip Long Island Airport?

    The required travel and health documents for your Islip Long Island Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Islip Long Island Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Houston to Islip, New York

Compare and see reviews for airlines that fly from Houston to Islip, New York with momondo
Airline
Rating
Free Cancellation
Price
SouthwestPriceFrom $278Free CancellationRating
8.0
4,317 reviews
Search Southwest flights

Traveling to a place near New York?

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Why use momondo?

Why should I use momondo to find a flight deal from Houston to Islip?

Finding the right flight to Islip from Houston is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Islip quick and easy, saving you time and money.

Can I find flights from Houston to Islip with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Islip from Houston with this policy.

How can momondo help me find flights from Houston to Islip?

momondo helps you find the best flight between Houston and Islip by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Houston to Islip right now. Can momondo alert me if prices change?

Price alerts on flights to Islip from Houston are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Islip, New York trip

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